Home / 27,004.32-40,515.80-11,217.83

Finding the Fourth Proportional to 27,004.32, 40,515.80 and 11,217.83

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Solution

The fourth proportional to 27,004.32, 40,515.80 and 11,217.83 is: 16,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,004.32 : 40,515.80 = 11,217.83 : x
  2. Step 2: Convert to fraction form
    27,004.32/40,515.80 = 11,217.83/x
  3. Step 3: Cross multiply
    27,004.32x = 40,515.80 × 11,217.83
  4. Step 4: Simplify right side
    27,004.32x = 454,499,098.05
  5. Step 5: Solve for x
    x = 454,499,098.05/27,004.32
  6. Step 6: Final answer
    x = 16,830.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.